KING OF PRUSSIA RESEARCH & DEV has a total of 12 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United States and Germany. Its main competitors in its focus markets mechanical elements, machines and chemical engineering are PHILADELPHIA GEAR CORP, KING OF PRUSSIA RES AND DEV CO and DODGE ADIEL Y.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Germany | 2 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Machines | |
#3 | Chemical engineering | |
#4 | Electrical machinery and energy | |
#5 | Packaging and shipping |
# | Technology | |
---|---|---|
#1 | Venting or aerating devices | |
#2 | Gearing | |
#3 | Mixing | |
#4 | Unspecified technologies | |
#5 | Pistons and sealings | |
#6 | Clutches and brakes | |
#7 | Unspecified technologies | |
#8 | Shafts | |
#9 | Lifting and pushing | |
#10 | Electric switches |
# | Name | Total Patents |
---|---|---|
#1 | Denkowski Walter J | 5 |
#2 | Stratienko Andrew | 4 |
#3 | Liu John K | 1 |
#4 | Behnke Edward | 1 |
#5 | Kron Harold O | 1 |
Publication | Filing date | Title |
---|---|---|
US3554337A | Reverse locking clutch | |
US3580371A | Self-synchronizing clutch | |
US3523599A | Linear actuator with torque control | |
US3578876A | Mixer | |
US3536302A | Bearing lubrication for mixer shaft | |
US3524526A | Overload limit switch for a valve actuator | |
US3505888A | Rotary and linear dual motion valve operator | |
US3489469A | Submerged bearing assembly | |
US3489419A | Static pressure system for mechanical seals | |
US3518891A | Fail-safe valve operator |